https://bugzilla.kernel.org/show_bug.cgi?id=59301

           Summary: mpt2sas0 fails after short time of work
           Product: SCSI Drivers
           Version: 2.5
    Kernel Version: 3.5.0-32-generic ubuntu
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: blocking
          Priority: P1
         Component: Other
        AssignedTo: scsi_drivers-ot...@kernel-bugs.osdl.org
        ReportedBy: pomoz...@gmail.com
        Regression: No


Created an attachment (id=103551)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=103551)
Full dmesg log

mpt2sas0 module v16.00.00.00 always fails after boot:

[ 1638.408402] mpt2sas0: SAS host is non-operational !!!!
[ 1638.409803] mpt2sas0: _base_fault_reset_work: Running mpt2sas_dead_ioc
thread success !!!!
[ 1638.412848] sd 1:0:0:0: [sdb] Synchronizing SCSI cache
[ 1638.412889] sd 1:0:0:0: [sdb]  
[ 1638.412893] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
[ 1638.413845] mpt2sas0: removing handle(0x000a), sas_addr(0x4433221107000000)
[ 1638.414519] sd 1:0:1:0: [sdc] Synchronizing SCSI cache
[ 1638.414552] sd 1:0:1:0: [sdc]  
[ 1638.414555] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
[ 1638.414708] mpt2sas0: removing handle(0x0009), sas_addr(0x4433221104000000)
[ 1638.415060] mpt2sas0: sending diag reset !!
[ 1638.572147] mpt2sas0: diag reset: FAILED

It fails on CentOS 6.4 and Ubuntu Server 12.04.2 LTS
Module v13 (it goes within latest linux distributives) fails same way.

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